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ATMXT640T
  • ATMXT640T

ATMXT640T

In Production

The recommended alternative touch controller is ATMXT640UD.The mXT640T uses the latest capacitive touch technologies that Microchip has designed for the highest-performance super phones and tablets. With a revolutionary adaptive-sensing architecture that features both mutual- and self-capacitance, it enables the highest performance with the industry's lowest power consumption.With 640 nodes, the mXT640T touchscreen controller supports up to 8 inches for Android tablets, 7 inches for Windows 8 mobile devices, and up to 6.2 inches for devices with 1.5mm passive stylus.Support: off the shelf maXTouch standard modules are available to help shorten development time and reduce risk. Microchip also has a strong selection of factory trained global touch sensor module partners to help support ...

Microchip Technology ATMXT640T Product Info

16 April 2026 1

Parameters

Interface Type

I2C

Screen Size in (inch)

8

OperatingVoltage

3.3

Operating Voltage Max (Vcc)

3.3

Touch Response

>250 Hz

Automotive Qualified

No

Temp# Range Min (deg C)

-40

Temp# Range Max (deg C)

85

Touches

0

Nodes

640

Features

  • Supports up to 16 concurrent touches in real time with touch size reporting
  • Communication via I2C serial Interface
  • High voltage option via internal voltage pump to increase the signal to noise ratio (SNR)
  • Adaptive Sensing (Self and Mutual cap)
  • Supports thick glove (5mm) touch
  • Support thick lenses (up to 3mm glass)
  • Superior moisture performance
  • OS Support for Android/Linux, Windows, and Android/Linux + Windows Dual Boot
  • Operating temperature range of -40 to +85 deg C
  • Package: 84-ball UFBGA

Description

The recommended alternative touch controller is ATMXT640UD.

The mXT640T uses the latest capacitive touch technologies that Microchip has designed for the highest-performance super phones and tablets. With a revolutionary adaptive-sensing architecture that features both mutual- and self-capacitance, it enables the highest performance with the industry's lowest power consumption.

With 640 nodes, the mXT640T touchscreen controller supports up to 8 inches for Android tablets, 7 inches for Windows 8 mobile devices, and up to 6.2 inches for devices with 1.5mm passive stylus.

Support: off the shelf maXTouch standard modules are available to help shorten development time and reduce risk. Microchip also has a strong selection of factory trained global touch sensor module partners to help support custom touch sensor and/or touchscreen display designs.

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